Cost and CO2 emission of concrete incorporating pretreated coal bottom ash as fine aggregate: A case study

Eun Kim, Jeong; Seo, Joonho; Yang, Keun-Hyeok; Kim, Hyeong-Ki

doi:10.1016/j.conbuildmat.2023.133706

Construction and Building Materials

2023

DOI: 10.1016/j.conbuildmat.2023.133706

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Cost and CO2 emission of concrete incorporating pretreated coal bottom ash as fine aggregate: A case study

Jeong Eun Kim,

Joonho Seo,

Keun-Hyeok Yang

et al.

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2024

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Cited by 4 publications

References 16 publications

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Harnessing Ash for Sustainable CO₂ Absorption: Current Strategies and Future Prospects

Wu,

Zhang,

Wang

et al. 2024

Chemistry An Asian Journal

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This review explores the potential of using different types of ash, namely fly ash, biomass ash, and coal ash etc., as mediums for CO2 capture and sequestration. The diverse origins of these ash types—municipal waste, organic biomass, and coal combustion—impart unique physicochemical properties that influence their suitability and efficiency in CO2 absorption. This review first discusses the environmental and economic implications of using ash wastes, emphasizing the reduction in landfill usage and the transformation of waste into value‐added products. Then the chemical/physical treatments of ash wastes and their inherent capabilities in binding or reacting with CO2 are introduced, along with current methodologies utilize these ashes for CO2 sequestration, including mineral carbonation and direct air capture techniques. The application of using ash wastes for CO2 capture are highlighted, followed by the discussion regarding challenges associated with ash‐based CO2 absorption approach. Finally, the article projects into the future, proposing innovative approaches and technological advancements needed to enhance the efficacy of ash in combating the increasing CO2 levels. By providing a comprehensive analysis of current strategies and envisioning future prospects, this review aims to contribute to the field of sustainable CO2 absorption and environmental management.

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Harnessing Ash for Sustainable CO₂ Absorption: Current Strategies and Future Prospects

Wu,

Zhang,

Wang

et al. 2024

Chemistry An Asian Journal

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Technology of the porous granular material out of thermal power engineering waste

Miryuk

2024

E3S Web Conf.

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The article presents the results of resource-saving technology development of porous granular material. Research is devoted to the development of scientific ideas about highly porous structures formation. The research objective is to develop a low-energy technology for producing porous granules based on the multiple use of thermal power engineering waste. Research novelty lies in conformity with a principle of combined porous structure’s formation of granules during thermal swelling of molding sand based on technogenic materials. Mixture of liquid sodium glass, fly ash and ash aluminosilicate microsphere has been developed to obtain the granules. Techniques for granulating liquid glass mixture have been developed. The parameters for thermal treatment of granules have been established to ensure formation of a strong, porous, and water-resistant structure. Physicomechanical and thermal properties of porous granules fired at a temperature of 350°С were studied. Microstructure of the fired granules was studied; their porosity is of 78 – 80%, bulk density is 210 – 230 kg/m3, and the thermal conductivity coefficient is 0.084 – 0.085 W/(m·°С). There has been developed a technological scheme for production of a granular material based on finely dispersed thermal power engineering waste. Comparative analysis of characteristics of the developed material and expanded clay was carried out.

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Enhancing concrete beam performance with PVA fibers, coal ash, and graphene fabric: a comprehensive structural analysis

K.M.,

et al. 2024

International Journal of Coal Preparation and Utilization

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Cost and CO2 emission of concrete incorporating pretreated coal bottom ash as fine aggregate: A case study

Cited by 4 publications

References 16 publications

Harnessing Ash for Sustainable CO₂ Absorption: Current Strategies and Future Prospects

Harnessing Ash for Sustainable CO₂ Absorption: Current Strategies and Future Prospects

Technology of the porous granular material out of thermal power engineering waste

Enhancing concrete beam performance with PVA fibers, coal ash, and graphene fabric: a comprehensive structural analysis

Contact Info

Product

Resources

About

Cost and CO2 emission of concrete incorporating pretreated coal bottom ash as fine aggregate: A case study

Cited by 4 publications

References 16 publications

Harnessing Ash for Sustainable CO2 Absorption: Current Strategies and Future Prospects

Harnessing Ash for Sustainable CO2 Absorption: Current Strategies and Future Prospects

Technology of the porous granular material out of thermal power engineering waste

Enhancing concrete beam performance with PVA fibers, coal ash, and graphene fabric: a comprehensive structural analysis

Contact Info

Product

Resources

About

Harnessing Ash for Sustainable CO₂ Absorption: Current Strategies and Future Prospects

Harnessing Ash for Sustainable CO₂ Absorption: Current Strategies and Future Prospects